<template>
  <div class="rule-container">
    <div class="create-container">
      <el-button type="primary" @click="addFeeRule">增加停车计费规则</el-button>
      <el-button @click="exportExcel">导出Excel</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table :data="ruleList" style="width: 100%">
        <el-table-column  label="序号" type="index" :index="indexMethod"/>
        <el-table-column label="计费规则编号" prop="ruleNumber"/>
        <el-table-column label="计费规则名称"  prop="ruleName"/>
        <el-table-column label="免费时长(分钟)" prop="freeDuration"/>
        <el-table-column label="收费上线(元)" prop="chargeCeiling"/>
        <el-table-column label="计费方式" prop="chargeType" >
          <template #default="{row}">
            {{formateChargeType(row.chargeType)}}
          </template>
        </el-table-column> 
        <el-table-column label="计费规则" prop="ruleNumberView" />
        <el-table-column label="操作" fixed="right" width="120">
          <template #default="scope">
            <el-button size="mini" type="text" @click="editRule(scope.row.id)">编辑</el-button>
            <el-button size="mini" type="text" @click="deleteRule(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 必须的配置项total   page-size  总页数=总条数/页容量-->
       <!-- 必须配置的事件 @current-change-->
      <div class="pager" style="margin-top: 10px;float: right;">
        <el-pagination
        layout="prev, pager, next"
        :total="total"
        :page-size="pageSize"
        @current-change="handleChange"
      />
    </div>
    </div>
    <AddRule :dialogVisible="dialogVisible" ref="addRule"/>
  </div>
</template>

<script>
import { getRuleListAPI,deleteRuleAPI } from '@/api/carrule';
import { utils, writeFileXLSX } from 'xlsx'
import AddRule  from './components/AddRule.vue';
import { editCardAPI } from '@/api/card';
export default {
  name: 'Building',
  components: {
    AddRule
  },
  data() {
    return {
      page:1,
      pageSize:10,
      ruleList:[],
      total:0,
      dialogVisible: false
    }
  },
  created(){
    this.getRuleList()
  },
  methods:{
    // 编辑计费规则
    editRule(id){
      this.dialogVisible = true
      this.$refs.addRule.getParkingRule(id)
      this.$refs.addRule.title = '修改规则'
    },
    // 删除计费规则
    deleteRule(id){
      this.$confirm('您确定要删除该规则吗？','温馨提示').then(async()=>{
        await deleteRuleAPI(id)
        this.$message.success('删除成功')
        if(this.ruleList.length === 1 && this.params.page >1){
          this.params.page --
        }
        this.getRuleList()
      }).catch(()=>{
      })
    },
    // 添加计费规则
    addFeeRule(){
      this.dialogVisible = true
      this.$refs.addRule.title = '添加规则'
    },
    
    // 格式化收费类型
    formateChargeType(chargeType){
      const Map = {
        duration:'收费时长',
        turn:'按次收费',
        partition:'分段收费'
      }
      return Map[chargeType]
    },
    // 导出excel
    async exportExcel() {
        // 获取要导出的业务数据
        const res = await getRuleListAPI({page:this.page, pageSize:this.pageSize})
        // 表头英文字段key
        const tableHeaderKeys = ['ruleNumber', 'ruleName', 'freeDuration']
        const list = res.data.rows.map(item =>{
          // 创建一个新对象来存数据
          const obj = {}
          tableHeaderKeys.forEach(key => {
            obj[key] = item[key]
          })
          return obj
        })
        // 表头中文字段value
        const tableHeaderValues = ['计费规则编号', '计费规则名称', '免费时长(分钟)']
        // 创建一个新的工作簿
        const workbook = utils.book_new()
        // 创建一个工作表 要求一个对象数组格式
        const worksheet = utils.json_to_sheet(list)
        // 把工作表添加到工作簿  Data为工作表名称
        utils.book_append_sheet(workbook, worksheet, 'Data')
        // 改写表头
        utils.sheet_add_aoa(worksheet, [[tableHeaderValues]], { origin: 'A1' })
        // 导出方法进行导出
        writeFileXLSX(workbook, 'SheetJSVueAoO.xlsx')
      },
      indexMethod(row){
        return (this.page - 1) * this.pageSize + row.index + 1
      },
      // 点击不同的页码
      handleChange(val){
        this.page = val
        this.getRuleList()
      },
      // 获取计费列表
      async getRuleList(){
        const res = await getRuleListAPI({page:this.page, pageSize:this.pageSize})
        this.ruleList = res.data.rows
        this.total = res.data.total
      }
    }
  }
</script>

<style lang="scss" scoped>
.rule-container {
  padding: 20px;
  background-color: #fff;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}
.create-container{
  margin: 10px 0px;
}
.page-container{
  padding:4px 0px;
  text-align: right;
}
</style>